Liu Yuxi (772-842), a native of Luoyang, called himself "Luoyang native" [1-2], and was also called Zhongshan native. [3] The first one is Liu Sheng, Wang Jing of Zhongshan. A writer and philosopher in the Tang Dynasty, he was called a "poet" [4].

Liu Yuxi was a scholar in the ninth year of Zhenyuan (793). At the beginning, he was a clerk in Du You's shogunate and an envoy in Huainan, and was highly valued by Du You. Later, he entered the DPRK from Du You, supervising the empire. At the end of Zhenyuan, he made friends with Liu Zongyuan, Han Ye and formed a political group headed by Wang. Later, he successively served as Sima Langzhou, Secretariat of Lianzhou, Secretariat of Kuizhou, Secretariat of Hezhou, Doctor of Host and Guest, Minister of Rites, and Secretariat of Suzhou. In Huichang, we will check the history of the Ministry of Justice. He died at the age of 70 and gave it to the Minister of Housing.

Liu Yuxi's poems and essays are excellent and have a wide range of topics. He is also called "Liu Liu" with Liu Zongyuan, "Three Masters" with Wei and Bai Juyi, and "Bai Liu" with Bai Juyi, including The Inscription of Humble Rooms, Zhi Zhu Ci, Yang Liuzhi Ci and Wuyi Lane. Three philosophical works, The Theory of Heaven, discuss the materiality of heaven and analyze the origin of the theory of destiny, which is materialistic. There are works of Liu Mengde and Liu Binke. [5]